In which of the following ways does the concentration of hydrogen ions affect the movement of potassium ions into or out of cells, if at all?
a. Hydrogen ions have no effect on the movement of potassium ions.
b. Decreased hydrogen concentration will move potassium out of the bloodstream into the cells.
c. Decreased hydrogen concentration will move potassium from the cells into the bloodstream.
d. Increased hydrogen concentration will move potassium from the bloodstream into the cells.
B
Feedback
A Incorrect: The concentration of hydrogen ions does have an effect on the movement of potassium ions.
B Correct: The concentration of hydrogen ions affect the movement of potassium ions into or out of cells. Decreased hydrogen concentration will move potassium out of the bloodstream into the cells. Increased hydrogen concentration will move potassium from the intracellular to the intravascular spaces.
C Incorrect: Decreased hydrogen concentration will not move potassium from the cells into the bloodstream. It does just the opposite.
D Incorrect: Increased hydrogen concentration will not move potassium from the bloodstream into the cells.
You might also like to view...
What is most appropriate for a nurse to include when preparing discharge plans for a patient with SLE?
a. Need to consume 2 L of fluid daily b. Close monitoring of daily blood glucose level c. Use of daily sunscreens with a sun protec-tion factor (SPF) higher than 15 d. Careful concern for certain food allergies
The nurse is planning care for an older client who reports interrupted sleep. Which assessment findings most concern the nurse? Select all that apply.
1. Frequent nighttime urination 2. History of kidney stones 3. Morning headaches 4. Early morning awakening 5. Feeling unable to empty bladder
Jasmine's mom calls the pediatric triage nurse and asks if she can give aspirin because of a fever and achiness due to chicken pox. The nurse knows that the mother understands the reason not to give the aspirin in this situation when she states:
1. "If I give aspirin, she is as risk for major issues with her brain and liver.". 2. "I can give the aspirin in a low dose and be safe.". 3. "I can give the aspirin in three separate doses throughout the day.". 4. "I should not give her aspirin because this can make her blood thin and not help with her get better.".
Which laboratory test is used to evaluate the degree of damage to the immune system caused by HIV?
A. Platelets B. Liver function studies C. CD4 T-cell count D. Complete blood count